Question 1

What year AAF Founded ?

Accepted Answer

1921

Answer

1925

Answer

1922

Answer

1924

Question 2

When EN779 obsolete and what new standard replace it?

Accepted Answer

2018 and ISO 16890

Answer

2018 and ASHRAE 52.2

Answer

2018 and ISO 29463

Answer

2018 and EN 1822

Question 3

Which testing standards below are correct for the Primary & Secondary filters?

Accepted Answer

ISO 16890

Answer

EN1822

Answer

IEST-RP-CC001

Answer

ISO 29463

Question 4

Does Merv 14 filter equal to H14 filter ?

Accepted Answer

No

Answer

Yes

Question 5

If initial resistance of a primary filter is 40Pa, then how much the value of initial resistance of 8 same primary filter that arrange in 1 layer in AHU?

Accepted Answer

40 Pa

Answer

240 Pa

Answer

32 Pa

Answer

5 Pa

Question 6

What is the specific Ashrae standard for "Ventilation for Acceptable Indoor Air Quality"?

Accepted Answer

Ashrae 62.1

Answer

Ashrae 52.2

Answer

Ashrae 90.1

Answer

Ashrae 52.1

Question 7

How much installation gap will cause a F9 filter to reduce its efficiency to F8 filter?

Accepted Answer

1mm

Answer

10mm

Answer

3 mm

Answer

5mm

Question 8

IAQ is defined as the process of providing air

Accepted Answer

All of the above

Answer

Is free of dust, smells, and noise as much as possible.

Answer

Does not cause negative health effects, disease, or sickness in humans.

Answer

Which is comfortable in every way

Question 9

The Consequences of Poor Indoor Air Quality

Accepted Answer

All of the above.

Answer

Reduced Ventilation.

Answer

Deferred Maintenance to Save Money.

Answer

Building Materials and furnishings.

Question 10

Can the respiratory droplets can become aerosolized and stay airborne for hours?

Accepted Answer

Yes

Answer

No

Related quizzes

Related quizzes